CN106851742B - A kind of method and device for realizing air-interface scheduling in MAC layer - Google Patents
A kind of method and device for realizing air-interface scheduling in MAC layer Download PDFInfo
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- CN106851742B CN106851742B CN201510886212.9A CN201510886212A CN106851742B CN 106851742 B CN106851742 B CN 106851742B CN 201510886212 A CN201510886212 A CN 201510886212A CN 106851742 B CN106851742 B CN 106851742B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
Abstract
The present invention provides a kind of method and device that air-interface scheduling is realized in MAC layer, this method comprises: the quality of eating dishes without rice or wine according to the quality information of cell and target UE on respective cell, determine the available set of cells of target UE, it will be on the mapping logical channels to set of cells of target UE；According to the data transfer demands of target UE, target UE is mapped on the carrier wave in Target cell；Target UE is mapped to again on the transmission channel of the carriers carry in Target cell；Finally target UE is mapped on the physical channel of the carriers carry in Target cell, the physical channel of the carriers carry in Target cell is used to carry the business of the target UE sending and receiving data.The level Four mapping of the physical channel for the carriers carry in transmission channel-cell that the embodiment of the present invention passes through the carriers carry in carrier wave-cell in the logic channel to cell-cell UE is controlled by MAC completely, to realize the demand flexibly eated dishes without rice or wine, meets the needs of 5G network.
Description
Technical field
The present invention relates to field of communication technology, in particular to a kind of method and device that air-interface scheduling is realized in MAC layer.
Background technique
The design of conventional cellular network is centered on cell, access/foundation/removal of user, the covering of network, resource tune
Degree, mobile management, signaling control, planning/optimization etc. are carried out with individual cell.This system design has been mended applicable
In the demand of 5G network.Super-intensive networking/magnanimity access point (Ultra the Dense Network, Massive that 5G network occurs
RRU/AP), the flexible duplex/full duplex of uplink and downlink, C/U (C-Plane/U-Plane controls plane/user plane) separation, satisfaction
The technologies such as the SDAI (oftware define air interface software definition is eated dishes without rice or wine) of diversified scene to use in cell
Between family and the correlation of minizone becomes to become increasingly complex, and high real-time synchronous collaboration demand becomes network normality.
The MAC in protocol stack (media access control) function has only completed the scheduling of the multiple carrier waves of user at present, faces 5G
Demand be unable to satisfy and flexibly eated dishes without rice or wine the (wireless access technology of a variety of 5G physical layer PHY according to the environment offer of eating dishes without rice or wine of user
RAT function).
Summary of the invention
The purpose of the present invention is to provide a kind of method and devices that air-interface scheduling is realized in MAC layer, solve existing
MAC function is unable to satisfy the problem of dispatching requirement flexibly eated dishes without rice or wine in 5G network.
In order to achieve the above object, the present invention provides a kind of method for realizing air-interface scheduling in MAC layer, comprising:
According to the quality of eating dishes without rice or wine of the quality information of cell and target UE on respective cell, determine that the target UE can be used
Set of cells, will be on the mapping logical channels of target UE to the set of cells；Wherein, the set of cells include one with
On cell；
According to the data transfer demands of the target UE, target UE is mapped in the Target cell in the set of cells
Carrier wave on；
According to the data transfer demands of the target UE, target UE is mapped to the carriers carry in the Target cell
On transmission channel；
According to the data transfer demands of the target UE, target UE is mapped to the carriers carry in the Target cell
On physical channel；Wherein, the physical channel of the carriers carry in the Target cell is for carrying the target UE sending and receiving data
Business.
Wherein, when first data transmission process is that cell sends data to UE, the quality information according to cell
And eat dishes without rice or wine quality of the target UE on respective cell, the available set of cells of target UE is determined, by the logic of target UE
The step that channel is mapped on the set of cells includes:
According to eat dishes without rice or wine quality and the radio resource control RRC of the channel quality of target UE, target UE on respective cell
Configuration information distributes the set of cells that the first data transmission uses for the target UE；And by the logic of the target UE
Channel is mapped on the set of cells.
Wherein, the data transfer demands according to the target UE, are mapped to one in the set of cells for target UE
The step on carrier wave in Target cell includes:
According to the data transfer demands of the target UE, the mesh for the target UE that can be supported in the set of cells is determined
Cell is marked, and the target UE is mapped on the carrier wave in the Target cell.
Wherein, the data transfer demands according to the target UE, target UE is mapped in the Target cell
Step on the transmission channel of carriers carry includes:
According to the data transfer demands of the target UE, the scheduling of the target UE in the Target cell to carrier wave is realized,
And it will be on the transmission channel of the target UE carriers carry being mapped in the Target cell.
Wherein, the data transfer demands according to the target UE, target UE is mapped in the Target cell
Step on the physical channel of carriers carry includes:
According to the data transfer demands of the target UE, the scheduling and determination of each UE and institute in the Target cell are completed
The corresponding physical channel of target UE is stated, it will be on the physical channel of the target UE carriers carry being mapped in the Target cell.
Wherein, during the first data transmission the method also includes:
According to the size for the data packet for needing transmission during first data transmission, obtained from wireless chain control layer RLC
The data packet, and it is unrelated with the wireless chain control layer RLC to control the data packet that multiple Target cells are sent.
Wherein, during the first data transmission the method also includes:
The use of the occupancy and current interface-free resources of the history interface-free resources of target UE is managed.
Wherein, during the first data transmission the method also includes:
The channel measurement parameter of physical layer is received, and determines that target UE is corresponding every at it according to the information measurement parameter
Channel quality in a Target cell.
Wherein, when the second data transmission procedure is that UE sends data to cell, the quality information according to cell
And eat dishes without rice or wine quality of the target UE on respective cell, the available set of cells of target UE is determined, by the logic of target UE
The step that channel is mapped on the set of cells includes:
According to the optional channel of multiple cells of the target UE of network side configuration, mesh described in the transmission of this data is determined
Mark the available set of cells of UE；And it will be on the mapping logical channels of target UE to the set of cells.
Wherein, the data transfer demands according to the target UE, are mapped to one in the set of cells for target UE
The step on carrier wave in Target cell includes:
According to the data transfer demands of the target UE, target UE is completed in the Target cell in the set of cells
Scheduling, realize the target UE in the selection of the Target cell intercarrier；And the target UE is mapped to the target
On carrier wave in cell.
Wherein, the data transfer demands according to the target UE, target UE is mapped in the Target cell
Step on the transmission channel of carriers carry includes:
According to the data transfer demands of the target UE, determine that the Target cell can be sent in the Target cell
Data content, and will be on the transmission channel of the target UE carriers carry being mapped in the Target cell.
Wherein, the data transfer demands according to the target UE, target UE is mapped in the Target cell
Step on the physical channel of carriers carry includes:
According to the data transfer demands of the target UE, complete scheduling of the target UE in the carrier wave and determination with
The corresponding physical channel of the target UE, will be on the physical channel of the target UE carriers carry being mapped in the Target cell.
Wherein, method described in second data transmission procedure further include:
The target UE data packet transmitted is sent to wireless chain control layer RLC, and controls the multiple Target cell hairs of control
The data packet sent does not have an impact the RLC.
The embodiment of the present invention also provides a kind of device that air-interface scheduling is realized in MAC layer, comprising:
First mapping block, for eat dishes without rice or wine quality of the quality information and target UE according to cell on respective cell,
Determine the available set of cells of target UE, it will be on the mapping logical channels of target UE to the set of cells；Wherein, described
Set of cells includes more than one cell；
Target UE is mapped to the cell set for the data transfer demands according to the target UE by the second mapping block
On the carrier wave in a Target cell in conjunction；
Target UE is mapped to the target for the data transfer demands according to the target UE by third mapping block
On the transmission channel of carriers carry in cell；
Target UE is mapped to the target for the data transfer demands according to the target UE by the 4th mapping block
On the physical channel of carriers carry in cell；Wherein, the physical channel of the carriers carry in the Target cell is for carrying
The business of the target UE sending and receiving data.
Wherein, first mapping block includes:
First mapping submodule, for when first data transmission process be cell send data to UE when, according to target
Eat dishes without rice or wine quality and radio resource control RRC configuration information of the channel quality, target UE of UE on respective cell are the mesh
Mark UE distribute the set of cells that the first data transmission uses；And by the mapping logical channels of the target UE to the cell
Collection closes.
Wherein, second mapping block includes:
Second mapping submodule, for when first data transmission process be cell send data to UE when, according to described
The data transfer demands of target UE determine the Target cell for the target UE that can be supported in the set of cells, and will be described
Target UE is mapped on the carrier wave in the Target cell.
Wherein, the third mapping block includes:
Third mapping submodule, for when first data transmission process be cell send data to UE when, according to described
The data transfer demands of target UE realize the scheduling of the target UE in the Target cell to carrier wave, and the target UE are reflected
It is mapped on the transmission channel of the carriers carry in the Target cell.
Wherein, the 4th mapping block includes:
4th mapping submodule, for when first data transmission process be cell send data to UE when, according to described
The data transfer demands of target UE complete the object corresponding with the target UE of the scheduling and determination of each UE in the Target cell
Channel is managed, it will be on the physical channel of the target UE carriers carry being mapped in the Target cell.
Wherein, first mapping block includes:
5th mapping submodule, for when the second data transmission procedure be UE send data to cell when, according to network
The optional channel of multiple cells of the target UE of side configuration determines the available cell set of target UE described in the transmission of this data
It closes；And it will be on the mapping logical channels of target UE to the set of cells.
Wherein, second mapping block includes:
6th mapping submodule, for when the second data transmission procedure be UE send data to cell when, according to described
The data transfer demands of target UE, complete scheduling of the target UE in a Target cell in the set of cells, described in realization
Selection of the target UE in the Target cell intercarrier；And the target UE is mapped on the carrier wave in the Target cell.
Wherein, the third mapping block includes:
7th mapping submodule, for when the second data transmission procedure be UE send data to cell when, according to described
The data transfer demands of target UE determine the data content that the Target cell can be sent in the Target cell, and will
The target UE is mapped on the transmission channel of the carriers carry in the Target cell.
Wherein, the 4th mapping block includes:
8th mapping submodule, for when the second data transmission procedure be UE send data to cell when, according to described
It is corresponding with the target UE to complete scheduling and determination of the target UE in the carrier wave for the data transfer demands of target UE
Physical channel, will be on the physical channel of the target UE carriers carry being mapped in the Target cell.
Above-mentioned technical proposal of the invention at least has the following beneficial effects:
The embodiment of the present invention MAC layer realize air-interface scheduling method and device in, by increase MAC to cell and UE
In the scheduling feature for the cell that Transmission Time Interval uses, in carrier wave-cell in the logic channel to cell-cell of UE
The level Four mapping of the physical channel of carriers carry in transmission channel-cell of carriers carry is controlled by MAC completely, to realize
The demand flexibly eated dishes without rice or wine meets the needs of 5G network.
Detailed description of the invention
Fig. 1 shows the basic step flow charts of the method provided in an embodiment of the present invention that air-interface scheduling is realized in MAC layer；
Fig. 2 indicates the function of the downlink data transmission provided in an embodiment of the present invention in the method that MAC layer realizes air-interface scheduling
It can module diagram；
Fig. 3 indicates the function of the transmitting uplink data provided in an embodiment of the present invention in the method that MAC layer realizes air-interface scheduling
It can module diagram；
Fig. 4 indicates the composite structural diagram of the device provided in an embodiment of the present invention that air-interface scheduling is realized in MAC layer.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention provides aiming at the problem that existing MAC function is unable to satisfy the dispatching requirement flexibly eated dishes without rice or wine in 5G network
A kind of MAC layer realizes the method and device of air-interface scheduling, is used in Transmission Time Interval by increase MAC cell and UE small
The scheduling feature in area, the transmission channel-the carriers carry in carrier wave-cell in the logic channel to cell-cell of UE are small
Four mappings of the physical channel of the carriers carry in area are controlled by MAC completely, to realize the demand flexibly eated dishes without rice or wine, meet 5G net
The demand of network.
As shown in Figure 1, the embodiment of the present invention provides a kind of method for realizing air-interface scheduling in MAC layer, comprising:
Step 11, the quality of eating dishes without rice or wine according to the quality information of cell and target UE on respective cell, determines the mesh
The available set of cells of UE is marked, it will be on the mapping logical channels of target UE to the set of cells；Wherein, the set of cells packet
Include more than one cell；
Step 12, according to the data transfer demands of the target UE, mesh target UE being mapped in the set of cells
It marks on the carrier wave in cell；
Step 13, according to the data transfer demands of the target UE, target UE is mapped to the load in the Target cell
On the transmission channel of wave carrying；
Step 14, according to the data transfer demands of the target UE, target UE is mapped to the load in the Target cell
On the physical channel of wave carrying；Wherein, the physical channel of the carriers carry in the Target cell is for carrying the target UE
The business of sending and receiving data.
The above embodiment of the present invention is in order to meet the needs of 5G, the part signaling control process of radio resource control RRC
It needs to move down into MAC layer MAC, carrier wave-cell in the logic channel to cell-cell of UE is controlled by MAC
The level Four of the physical channel of carriers carry in transmission channel-cell of interior carriers carry maps, to reduce signaling delay,
The flexibility ratio of signaling is improved, the demand that 5G flexibly eats dishes without rice or wine is adapted to.The MAC of 5G provided in an embodiment of the present invention exists in addition to traditional UE
Outside scheduling of resource function in cell, scheduling feature also with the available cell of UE and determine schedulable specific in cell
The scheduling feature of UE；That is the MAC of 5G has cell-level and UE grades of scheduling feature.
When scheduling, MAC carries out cell-level scheduling first.According to quality information (the physics money including load, edge of cell
Source block PRB number etc.) and eat dishes without rice or wine quality of each UE on its related cell, MAC completes reflecting for a UE and several cells
Penetrate processing, each UE of decision can in several cells sending and receiving data, it is most suitable that several for it are configured according to the demand of UE
Cell complete data in the transmission eated dishes without rice or wine.Secondly, MAC completes the radio resource of UE and cell-level according to the specific requirements of UE
Mapping function, and the data packet packet size for completing UE transmission calculates.Finally, if it is downlink processing, it is big according to packet
It is small to wireless chain control layer RLC request for data；If it is upstream data, then UE is waited to send.
Further, former MAC is remained in the method that MAC layer realizes air-interface scheduling due to provided in an embodiment of the present invention
Scheduling feature, then the MAC of 5G provided by the invention can meet 5G network demand, can also be compatible with the existing of 4G/3G network
Equipment, good compatibility, such as in traditional LTE evolved base station eNB equipment, propped up as unit of baseband processing unit BBU
It is feasible for supportting above-mentioned MAC function；And the number of cells in 5G increases very much, and the cloud base station of 5G can provide more abundant calculating
Ability can effectively support large-scale MAC, so that the MAC of 5G has good scalability.
Further, below will respectively from first data transmission process (downlink process) and the second data transmission procedure (on
Row process) method provided by the invention for realizing air-interface scheduling in MAC layer is described in detail.
Specifically, the MAC the functional block diagram during being illustrated in figure 2 first data transmission, compared to traditional
The downlink MAC of MAC, 5G are increased for the protocol data control module (PDU controller) of UE, wireless heterogeneous networks mould
Block (Radio Resource Manager) and channel quality management module (Channel Quality Manager)；For UE
With minizone unicast schedule/priority processing module (unicast for UE of cell-level radio resource mapping
Scheduling/priority handling among cells for UEs), determine the cell of schedulable UE in cell
Quality management module of the eating dishes without rice or wine (cells ' Radio of Multiplexing module (Multiplexing UEs in cell) and cell
quality Manager).Pass through unicast schedule/priority processing unicast scheduling/ traditional MAC
Priority handling and multiplexing Multiplexing are defined as unicast schedule/priority between the UE of the MAC in 5G network
It handles (unicast scheduling/priority handling among UEs), others remain unchanged.
Wherein, step 11 includes:
Step 111, eat dishes without rice or wine quality and the radio resource according to the channel quality of target UE, target UE on respective cell
RRC configuration information is controlled, distributes the set of cells that the first data transmission uses for the target UE；And by the target UE
Mapping logical channels to the set of cells on.
I.e. as shown in Fig. 2, being directed to minizone unicast schedule/priority processing module (Unicast Scheduling/ of UE
Priority Handling among Cells for UEs) according to channel quality (the Channel Quality of UE
Manager), (the wireless heterogeneous networks the characteristics of quality of eating dishes without rice or wine (Cells ' Radio Quality Manager) of cell, business
The configuration of RRC) etc. control information complete the distribution of several cells that this UE is used.This functional module is according to various matter of eating dishes without rice or wine
Amount completes the set of each available cell of UE, the i.e. mapping of the logic channel of completion UE to set of cells.
Wherein, step 12 includes:
Step 121, according to the data transfer demands of the target UE, the target that can be supported in the set of cells is determined
A Target cell of UE, and the target UE is mapped on the carrier wave in the Target cell.
I.e. as shown in Fig. 2, being multiplexed UE (Multiplexing UEs in Cell in cell mi) according to the needle in step 111
The scheduling result obtained to minizone unicast schedule/priority processing module of UE completes what each cell may finally support
UE, i.e., in this Transmission Time Interval TTI, which is scheduled in the cell, and it is small from set of cells-target to complete target UE
The mapping of area's intercarrier.
Wherein, step 13 includes:
Step 131, according to the data transfer demands of the target UE, realize target UE in the Target cell to carrier wave
Scheduling, and will be on the transmission channel of the target UE carriers carry being mapped in the Target cell.
I.e. as shown in Fig. 2, being directed to minizone unicast schedule/priority processing module (Unicast of UE in cell
Scheduling/Priority Handling among Cells for UEs in cell) and in carrier wave be multiplexed UE mould
Block (Multiplexing UEiIn CC) complete the scheduling of the UE in this cell to carrier wave, thus control target UE from carrier wave to
The mapping of the transmission channel of Target cell intercarrier carrying.
Wherein, step 14 includes:
Step 141, according to the data transfer demands of the target UE, the scheduling of each UE in the Target cell is completed simultaneously
It determines physical channel corresponding with the target UE, the target UE physics for being mapped to the carriers carry in the Target cell is believed
On road.
I.e. as shown in Fig. 2, unicast schedule/priority processing (Unicast Scheduling/Priority between UE
Handling among UEs) and multiplexing UE (Multiplexing UEi) complete in this cell user scheduling, function and pass
The MAC function of system is identical, completes transmission channel-Target cell intercarrier carrying of the Target cell intercarrier carrying of target UE
Physical channel mapping.
It should be noted that in the embodiment of the present invention not only definition realize above-mentioned steps 111, step 121, step 131 with
And the module of the function of step 141, the module of the influence for eliminating above-mentioned module, the partial information of the above-mentioned module of management is also defined,
Specifically, the first data transmission during the method also includes:
Step 15, according to the size for the data packet for needing transmission during first data transmission, from wireless chain control layer RLC
Place obtains the data packet, and it is unrelated with the wireless chain control layer RLC to control the data packet that multiple Target cells are sent.
I.e. as shown in Fig. 2, the step 15 is completed by descending protocol data control (PDU Controller) module of UE, i.e.,
The data packet packets of PDU Controller control UE transmission is when meeting the size of MAC instruction, it is ensured that not to Radio Link
It controls layer protocol RLC and generates any influence, the sequence (SN) number including RLC brings removing there can be no violent jump, to RLC
What's new etc. outside traditional function.Downlink MAC is completed after the scheduling of UE in each cell (by Unicast
Scheduling/Priority Handling among Cells for UEs、Unicast Scheduling/Priority
Handling among UEs and Multiplexing UEi functional module completes scheduling) determine the clothes that UE is sent in the cell
The size of business data cell SDU (Service Data Unit)；Then, it is obtained from RLC by PDU Controller
Packet, PDU Controller do not have an impact RLC according to the PDU that corresponding algorithm ensures that multiple cells are sent.
Further, in the above embodiment of the present invention, during the first data transmission the method also includes:
Step 16, the use of the occupancy and current interface-free resources of the history interface-free resources of target UE is managed.
I.e. as shown in Fig. 2, the step 16 is real by the wireless heterogeneous networks module (Radio Resource Manager) of UE
It is existing；Radio Resource Manager) complete UE history interface-free resources occupancy management and current interface-free resources use
Management.Specifically, the resource of two aspects of the module management, one is that the semi-static UE that radio resource control RRC configures is special
With radio resource, such as detection reference signal SRS, uplink control channel PUCCH etc.；The other is between each transmission time of MAC
Every the interface-free resources, such as Physical Resource Block PRB, physical downlink control channel PDCCH etc. that TTI is dynamically distributed, it is used as UE channel
Smooth measurement.
Further, in the above embodiment of the present invention, during the first data transmission the method also includes:
Step 17 receives the channel measurement parameter of physical layer, and determines target UE in its phase according to the information measurement parameter
The channel quality in each Target cell answered.
I.e. as shown in Fig. 2, step 17 provided in an embodiment of the present invention by UE channel quality management module (Channel
Quality Manager) it realizes, Channel Quality Manager manages channel quality of the UE in available cell, packet
Include broadband, sub-band channel quality.The module receives the channel measurement parameter of physical layer, is calculated according to certain algorithm, uses
Do UE channel quality monitoring in its corresponding each cell.When each MAC scheduling UE, nothing is carried out according to the channel quality of UE
Line resource allocation.
Explanation is needed further exist for, since the embodiment of the present invention increases new module in original MAC layer to realize newly
Function, therefore the function of some other original module also need occur corresponding change, specifically include:
As shown in Fig. 2, broadcast channel BCH (Broadcast Channel) function: still continuing to use tradition in each cell
Mode send BCH data.Downlink common control channel CCCH (Common Control Channel) function: can be according to every
Channel quality of a UE in each cell selects the most suitable channel of eating dishes without rice or wine of each UE, thus CCCH need by cell and
UE two-level scheduler.Paging channel PCH (Paging Channel) function: can be according to channel matter of each UE in each cell
Amount, selects the most suitable channel of eating dishes without rice or wine of each UE, and be combined into suitable PCH and eating dishes without rice or wine to send.So PCH is needed by cell
With UE two-level scheduler.In addition, DL-SCH is DSCH Downlink Shared Channel in Fig. 2；HARQ is hybrid automatic repeat-request；RB is resource
Block is the thread of service resources in LTE；BCCH is broadcast control channel；PCCH is Paging Control Channel；Above-mentioned channel is equal
Carry out data transmission according to original rule, its function is not described in detail herein.
Specifically, the MAC the functional block diagram being illustrated in figure 3 in the second data transmission procedure, compared to traditional
The uplink MAC of MAC, 5G are increased for the protocol data control module (PDU controller) of UE and for UE and cell grades
The minizone scheduling for UE/priority processing module (scheduling/priority handling of radio resource mapping
Among cells for UE), scheduling in cell reuse module (Multiplexing UE in cell) and cell/preferential
Grade processing module (Scheduling/Priority Handling in cell) and the module that UE is multiplexed in carrier wave
(Multiplexing UEiin CC).The other function of traditional MAC remains unchanged.
Wherein, step 11 includes:
Step 112, according to the optional channel of multiple cells of the target UE of network side configuration, determine that this data is transmitted
Described in the available set of cells of target UE；And it will be on the mapping logical channels of target UE to the set of cells.
I.e. as shown in figure 3, being directed to minizone scheduling/priority processing module (Scheduling/Priority of UE
Handling among Cells for UE) according to network side configure UE multiple cells optional channel, complete this UE
The cell distribution used, such as the network side of each cell of multiple cells are configured with the uplink scheduling request in period to UE
SR, UE can select suitable cell to send SR according to channel quality of eating dishes without rice or wine.The resource of also such as semi-persistent scheduling SPS distribution,
The channel quality indicator (CQI) etc. of periodic report, to complete the logic channel of UE to the mapping of cell.
Wherein, step 12 includes:
Step 121, according to the data transfer demands of the target UE, a mesh of the target UE in the set of cells is completed
The scheduling in cell is marked, realizes the target UE in the selection of the Target cell intercarrier；And the target UE is mapped to
On carrier wave in the Target cell.
As shown in figure 3, scheduling/priority processing module (Scheduling/Priority Handling in cell
Cell UE) is completed small according to the scheduling result of Scheduling/Priority Handling among Cells for UE
Scheduling in area, to complete UE in the selection of cell intercarrier, realize target UE from Target cell to Target cell in load
The mapping of wave.
Wherein, step 13 includes:
Step 132, according to the data transfer demands of the target UE, determine the Target cell in the Target cell
The data content that can be sent, and will be on the transmission channel of the target UE carriers carry being mapped in the Target cell.
As shown in figure 3, each cell of multiplexing UE (Multiplexing UE in Cell_m) completion finally may be used in cell m
With the resource block RB of transmission, i.e., in this Transmission Time Interval TTI, data content which sends in the cell；In carrier wave
Module (the Multiplexing UE of interior multiplexing UEiIn CC) complete the data that each carrier wave may finally be sent, i.e., herein
In TTI, the data content which sends in the cell completes target UE from the carriers carry in Target cell-Target cell
Transmission channel mapping.
Wherein, step 14 includes:
Step 142, according to the data transfer demands of the target UE, scheduling of the target UE in the carrier wave is completed
And determine physical channel corresponding with the target UE, target UE is mapped to the physics of the carriers carry in the Target cell
On channel.
I.e. as shown in figure 3, unicast schedule/priority processing (Unicast Scheduling/Priority between UE
Handling) and scheduling of this UE in the carrier wave, function and traditional MAC function are completed in multiplexing UE (Multiplexing UE)
Can be identical, complete the physics of the carriers carry in transmission channel-Target cell of the carriers carry in the Target cell of target UE
The mapping of channel.
It should be noted that in the embodiment of the present invention not only definition realize above-mentioned steps 112, step 122, step 132 with
And the module of the function of step 142, the module of the influence for eliminating above-mentioned module, the partial information of the above-mentioned module of management is also defined,
Specifically, method described in second data transmission procedure further include:
Step 18, the target UE data packet transmitted is sent to wireless chain control layer RLC, and controls the multiple targets of control
The data packet that cell is sent is unrelated with the radio link layer RLC.
I.e. as shown in figure 3, the step 18 is real by the wireless heterogeneous networks module (Radio Resource Manager) of UE
Existing, the packets of the uplink PDU Controller module control UE transmission of UE is when meeting the size of MAC instruction, it is ensured that no
Any influence is generated to RLC, No. SN including RLC is brought new outside removing traditional function there can be no violent jump, to RLC
Increase function etc..The MAC PDU that uplink MAC is received is sent after MAC solution packet function obtains SDU by PDU Controller
RLC carries out subsequent processing, and PDU Controller ensures that the PDU that multiple cells are sent does not produce RLC according to corresponding algorithm
It is raw to influence.
Explanation is needed further exist for, since the embodiment of the present invention increases new module in original MAC layer to realize newly
Function, therefore the function of some other original module also need occur corresponding change, specifically include:
As shown in figure 3, uplink common control channel CCCH function: UE can be according to its channel quality in each cell
(from the measurement of physical layer) selects most suitable channel of eating dishes without rice or wine to be sent to network side, i.e., in random access procedure, UE can be with
The message Msg1/Msg3 in random access procedure is sent respectively in different cells, so CCCH is needed by cell and UE
Two-level scheduler.
In addition, DL-SCH is DSCH Downlink Shared Channel in Fig. 2；HARQ is hybrid automatic repeat-request；RB is resource block, is
The thread of service resources in LTE；Above-mentioned channel carries out data transmission according to original rule, does not carry out herein to its function
Detailed description.
In order to preferably realize above-mentioned purpose, as shown in figure 4, the above embodiment of the present invention also provides one kind in MAC layer
Realize the device of air-interface scheduling, comprising:
First mapping block 41, for eat dishes without rice or wine matter of the quality information and target UE according to cell on respective cell
Amount, determines the available set of cells of target UE, will be on the mapping logical channels of target UE to the set of cells；Wherein,
The set of cells includes more than one cell；
Target UE is mapped to the cell for the data transfer demands according to the target UE by the second mapping block 42
On the carrier wave in a Target cell in set；
Target UE is mapped to the mesh for the data transfer demands according to the target UE by third mapping block 43
On the transmission channel for marking the carriers carry in cell；
Target UE is mapped to the mesh for the data transfer demands according to the target UE by the 4th mapping block 44
On the physical channel for marking the carriers carry in cell；Wherein, the physical channel of the carriers carry in the Target cell is for holding
Carry the business of the target UE sending and receiving data.
Specifically, the first mapping block 41 described in the above embodiment of the present invention includes:
First mapping submodule, for when first data transmission process be cell send data to UE when, according to target
Eat dishes without rice or wine quality and radio resource control RRC configuration information of the channel quality, target UE of UE on respective cell are the mesh
Mark UE distribute the set of cells that the first data transmission uses；And by the mapping logical channels of the target UE to the cell
Collection closes.
Specifically, the second mapping block 42 described in the above embodiment of the present invention includes:
Second mapping submodule, for when first data transmission process be cell send data to UE when, according to described
The data transfer demands of target UE determine the Target cell for the target UE that can be supported in the set of cells, and will be described
Target UE is mapped on the carrier wave in the Target cell.
Specifically, third mapping block described in the above embodiment of the present invention 43 includes:
Third mapping submodule, for when first data transmission process be cell send data to UE when, according to described
The data transfer demands of target UE realize the scheduling of the target UE in the Target cell to carrier wave, and the target UE are reflected
It is mapped on the transmission channel of the carriers carry in the Target cell.
Specifically, the 4th mapping block 44 described in the above embodiment of the present invention includes:
4th mapping submodule, for when first data transmission process be cell send data to UE when, according to described
The data transfer demands of target UE complete the object corresponding with the target UE of the scheduling and determination of each UE in the Target cell
Channel is managed, it will be on the physical channel of the target UE carriers carry being mapped in the Target cell.
Specifically, described device during first data transmission described in the above embodiment of the present invention further include:
First protocol data control module, the size of the data packet for needing transmission in the process according to first data transmission,
The data packet is obtained from wireless chain control layer RLC, and controls data packet that multiple Target cells are sent and described wireless
Link control layers RLC is unrelated.
Specifically, described device during first data transmission described in the above embodiment of the present invention further include:
Wireless heterogeneous networks module, for the occupancy of the history interface-free resources to target UE and the use of current interface-free resources
It is managed.
Specifically, described device during first data transmission described in the above embodiment of the present invention further include:
Channel quality management module, for receiving the channel measurement parameter of physical layer, and according to the information measurement parameter
Determine channel quality of the target UE in its corresponding each Target cell.
Specifically, the first mapping block 41 described in the above embodiment of the present invention includes:
5th mapping submodule, for when the second data transmission procedure be UE send data to cell when, according to network
The optional channel of multiple cells of the target UE of side configuration determines the available cell set of target UE described in the transmission of this data
It closes；And it will be on the mapping logical channels of target UE to the set of cells.
Specifically, the second mapping block 42 described in the above embodiment of the present invention includes:
6th mapping submodule, for when the second data transmission procedure be UE send data to cell when, according to described
The data transfer demands of target UE, complete scheduling of the target UE in a Target cell in the set of cells, described in realization
Selection of the target UE in the Target cell intercarrier；And the target UE is mapped on the carrier wave in the Target cell.
Specifically, third mapping block described in the above embodiment of the present invention 43 includes:
7th mapping submodule, for when the second data transmission procedure be UE send data to cell when, according to described
The data transfer demands of target UE determine the data content that the Target cell can be sent in the Target cell, and will
The target UE is mapped on the transmission channel of the carriers carry in the Target cell.
Specifically, the 4th mapping block 44 described in the above embodiment of the present invention includes:
8th mapping submodule, for when the second data transmission procedure be UE send data to cell when, according to described
It is corresponding with the target UE to complete scheduling and determination of the target UE in the carrier wave for the data transfer demands of target UE
Physical channel, will be on the physical channel of the target UE carriers carry being mapped in the Target cell.
Specifically, device described in the second data transmission procedure described in the above embodiment of the present invention further include:
Second protocol data control block, the data packet for transmitting target UE are sent to wireless chain control layer RLC,
And it is unrelated with the wireless chain control layer RLC to control the data packet that the multiple Target cells of control are sent.
It is provided in an embodiment of the present invention to realize that the device of air-interface scheduling is arrived by the logic channel that MAC controls UE in MAC layer
The four of the physical channel of carriers carry in transmission channel-cell of the carriers carry in carrier wave-cell in cell-cell
Grade mapping improves the flexibility ratio of signaling to reduce signaling delay, adapts to the demand that 5G flexibly eats dishes without rice or wine.
It should be noted that it is provided in an embodiment of the present invention MAC layer realize air-interface scheduling device be using it is above-mentioned
MAC layer realizes the device of the method for air-interface scheduling, then all embodiments of the above-mentioned method that air-interface scheduling is realized in MAC layer are suitable
The device of air-interface scheduling is realized in MAC layer for this, and can reach the same or similar beneficial effect.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (20)
1. a kind of method for realizing air-interface scheduling in MAC layer characterized by comprising
According to the quality of eating dishes without rice or wine of the quality information of cell and target UE on respective cell, determine that the target UE is available small
Area's set, will be on the mapping logical channels of target UE to the set of cells, comprising: when first data transmission process will for cell
When data are sent to UE, according to eat dishes without rice or wine quality and the radio resource of the channel quality of target UE, target UE on respective cell
RRC configuration information is controlled, distributes the set of cells that the first data transmission uses for the target UE；And by the target UE
Mapping logical channels to the set of cells on；Wherein, the set of cells includes more than one cell；
According to the data transfer demands of the target UE, load target UE being mapped in the Target cell in the set of cells
On wave；
According to the data transfer demands of the target UE, target UE is mapped to the transmission of the carriers carry in the Target cell
On channel；
According to the data transfer demands of the target UE, target UE is mapped to the physics of the carriers carry in the Target cell
On channel；Wherein, the physical channel of the carriers carry in the Target cell is used to carry the industry of the target UE sending and receiving data
Business.
2. the method according to claim 1 for realizing air-interface scheduling in MAC layer, which is characterized in that described according to the mesh
Mark the data transfer demands of UE, step packet target UE being mapped on the carrier wave in the Target cell in the set of cells
It includes:
According to the data transfer demands of the target UE, determine that the target for capableing of support target UE in the set of cells is small
Area, and the target UE is mapped on the carrier wave in the Target cell.
3. the method according to claim 2 for realizing air-interface scheduling in MAC layer, which is characterized in that described according to the mesh
The data transfer demands for marking UE, by the step packet on the transmission channel of the target UE carriers carry being mapped in the Target cell
It includes:
According to the data transfer demands of the target UE, the scheduling of the target UE in the Target cell to carrier wave is realized, and will
The target UE is mapped on the transmission channel of the carriers carry in the Target cell.
4. the method according to claim 3 for realizing air-interface scheduling in MAC layer, which is characterized in that described according to the mesh
The data transfer demands for marking UE, by the step packet on the physical channel of the target UE carriers carry being mapped in the Target cell
It includes:
According to the data transfer demands of the target UE, the scheduling and determination of each UE and the mesh in the Target cell are completed
The corresponding physical channel of UE is marked, it will be on the physical channel of the target UE carriers carry being mapped in the Target cell.
5. the method according to claim 4 for realizing air-interface scheduling in MAC layer, which is characterized in that first data pass
It is defeated during the method also includes:
According to the size for the data packet for needing transmission during first data transmission, from wireless chain control layer RLC described in acquisition
Data packet, and it is unrelated with the wireless chain control layer RLC to control the data packet that multiple Target cells are sent.
6. the method according to claim 5 for realizing air-interface scheduling in MAC layer, which is characterized in that first data pass
It is defeated during the method also includes:
The use of the occupancy and current interface-free resources of the history interface-free resources of target UE is managed.
7. the method according to claim 6 for realizing air-interface scheduling in MAC layer, which is characterized in that first data pass
It is defeated during the method also includes:
The channel measurement parameter of physical layer is received, and determines target UE in its corresponding each mesh according to the channel measurement parameter
Mark the channel quality in cell.
8. the method according to claim 1 for realizing air-interface scheduling in MAC layer, which is characterized in that when the second data are transmitted
It is described to be eated dishes without rice or wine on respective cell according to the quality information and target UE of cell when process is that UE sends data to cell
Quality determines the available set of cells of target UE, by the step on the mapping logical channels of target UE to the set of cells
Suddenly include:
According to quality of eating dishes without rice or wine on respective cell of the channel quality of target UE, target UE, network side configuration target UE it is more
The optional channel of a cell determines the available set of cells of target UE described in the transmission of this data；And patrolling target UE
Channel is collected to be mapped on the set of cells.
9. the method according to claim 8 for realizing air-interface scheduling in MAC layer, which is characterized in that described according to the mesh
Mark the data transfer demands of UE, step packet target UE being mapped on the carrier wave in the Target cell in the set of cells
It includes:
According to the data transfer demands of the target UE, tune of the target UE in the Target cell in the set of cells is completed
Degree, realizes the target UE in the selection of the Target cell intercarrier；And the target UE is mapped to the Target cell
On interior carrier wave.
10. the method according to claim 9 for realizing air-interface scheduling in MAC layer, which is characterized in that described according to the mesh
The data transfer demands for marking UE, by the step packet on the transmission channel of the target UE carriers carry being mapped in the Target cell
It includes:
According to the data transfer demands of the target UE, the data that the target UE can be sent in the Target cell are determined
Content, and will be on the transmission channel of the target UE carriers carry being mapped in the Target cell.
11. the method according to claim 10 for realizing air-interface scheduling in MAC layer, which is characterized in that described according to
The data transfer demands of target UE, by the step on the physical channel of the target UE carriers carry being mapped in the Target cell
Include:
According to the data transfer demands of the target UE, complete scheduling of the target UE in the carrier wave and determination with it is described
The corresponding physical channel of target UE, will be on the physical channel of the target UE carriers carry being mapped in the Target cell.
12. the method according to claim 11 for realizing air-interface scheduling in MAC layer, which is characterized in that second data
Method described in transmission process further include:
The target UE data packet transmitted is sent to wireless chain control layer RLC, and controls the data that multiple Target cells are sent
It wraps unrelated with the wireless chain control layer RLC.
13. a kind of device for realizing air-interface scheduling in MAC layer characterized by comprising
First mapping block is determined for quality of eating dishes without rice or wine of the quality information and target UE according to cell on respective cell
The available set of cells of target UE, will be on the mapping logical channels of target UE to the set of cells；Wherein, the cell
Set includes more than one cell；First mapping block includes:
First mapping submodule, for when first data transmission process be cell send data to UE when, according to target UE's
Eat dishes without rice or wine quality and the radio resource control RRC configuration information of channel quality, target UE on respective cell are the target UE
Distribute the set of cells that the first data transmission uses；And by the mapping logical channels of the target UE to the set of cells
On；
Target UE is mapped in the set of cells by the second mapping block for the data transfer demands according to the target UE
A Target cell in carrier wave on；
Target UE is mapped to the Target cell for the data transfer demands according to the target UE by third mapping block
On the transmission channel of interior carriers carry；
Target UE is mapped to the Target cell for the data transfer demands according to the target UE by the 4th mapping block
On the physical channel of interior carriers carry；Wherein, the physical channel of the carriers carry in the Target cell is described for carrying
The business of target UE sending and receiving data.
14. the device according to claim 13 for realizing air-interface scheduling in MAC layer, which is characterized in that second mapping
Module includes:
Second mapping submodule, for when first data transmission process be cell send data to UE when, according to the target
The data transfer demands of UE, determine the Target cell for capableing of support target UE in the set of cells, and by the target UE
It is mapped on the carrier wave in the Target cell.
15. the device according to claim 14 for realizing air-interface scheduling in MAC layer, which is characterized in that the third mapping
Module includes:
Third mapping submodule, for when first data transmission process be cell send data to UE when, according to the target
The data transfer demands of UE realize the scheduling of the target UE in the Target cell to carrier wave, and the target UE are mapped to
On the transmission channel of carriers carry in the Target cell.
16. the device according to claim 15 for realizing air-interface scheduling in MAC layer, which is characterized in that the 4th mapping
Module includes:
4th mapping submodule, for when first data transmission process be cell send data to UE when, according to the target
The data transfer demands of UE complete the physics letter corresponding with the target UE of the scheduling and determination of each UE in the Target cell
Road, will be on the physical channel of the target UE carriers carry being mapped in the Target cell.
17. the device according to claim 13 for realizing air-interface scheduling in MAC layer, which is characterized in that first mapping
Module includes:
5th mapping submodule, for when the second data transmission procedure be UE send data to cell when, according to target UE's
Quality of eating dishes without rice or wine on respective cell of channel quality, target UE, network side configuration target UE multiple cells may be selected it is logical
Road determines the available set of cells of target UE described in the transmission of this data；And by the mapping logical channels of target UE described in
On set of cells.
18. the device according to claim 17 for realizing air-interface scheduling in MAC layer, which is characterized in that second mapping
Module includes:
6th mapping submodule, for when the second data transmission procedure be UE send data to cell when, according to the target
The data transfer demands of UE complete scheduling of the target UE in the Target cell in the set of cells, realize the target
Selection of the UE in the Target cell intercarrier；And the target UE is mapped on the carrier wave in the Target cell.
19. the device according to claim 18 for realizing air-interface scheduling in MAC layer, which is characterized in that the third mapping
Module includes:
7th mapping submodule, for when the second data transmission procedure be UE send data to cell when, according to the target
The data transfer demands of UE, determine the data content that the target UE can be sent in the Target cell, and by the mesh
Mark UE is mapped on the transmission channel of the carriers carry in the Target cell.
20. the device according to claim 19 for realizing air-interface scheduling in MAC layer, which is characterized in that the 4th mapping
Module includes:
8th mapping submodule, for when the second data transmission procedure be UE send data to cell when, according to the target
The data transfer demands of UE complete scheduling and determination with the target UE corresponding physics of the target UE in the carrier wave
Channel, will be on the physical channel of the target UE carriers carry being mapped in the Target cell.
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| CN201510886212.9A CN106851742B (en) | 2015-12-04 | 2015-12-04 | A kind of method and device for realizing air-interface scheduling in MAC layer |
| PCT/CN2016/098701 WO2017092475A1 (en) | 2015-12-04 | 2016-09-12 | Method and device for air interface scheduling in mac layer |
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| CN101291279A (en) * | 2007-04-18 | 2008-10-22 | 华为技术有限公司 | Service data scheduling method and device in high-speed downlink packet access |
| WO2013177764A1 (en) * | 2012-05-30 | 2013-12-05 | 华为技术有限公司 | Multi-flow transmission scheduling method and device |
| CN104509190A (en) * | 2012-07-23 | 2015-04-08 | 夏普株式会社 | Terminal device, base station device, communication method, and integrated circuit |
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| CN101741918B (en) * | 2008-11-25 | 2012-11-21 | 中国移动通信集团公司 | MAC access management method and unit |
| CN102300333B (en) * | 2011-09-19 | 2013-09-04 | 电信科学技术研究院 | Multiple access control (MAC) scheduling method and device |
| CA2917993C (en) * | 2013-07-10 | 2022-11-01 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting and receiving discovery information in wireless communication system, and protocol stack architecture for the same |
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| CN101291279A (en) * | 2007-04-18 | 2008-10-22 | 华为技术有限公司 | Service data scheduling method and device in high-speed downlink packet access |
| WO2013177764A1 (en) * | 2012-05-30 | 2013-12-05 | 华为技术有限公司 | Multi-flow transmission scheduling method and device |
| CN104509190A (en) * | 2012-07-23 | 2015-04-08 | 夏普株式会社 | Terminal device, base station device, communication method, and integrated circuit |
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